It has some advantage as follows:

1.the freezing time is about five minutes to 30 minutes. cause this rapid cooling way produce smaller ice crystals, reduce the damage of the cell structure, improve the quality of the food.

2.improve productivity------ lower food dehydration and dry loss, improve texture, color and flavor of frozen food.

3.  Liquid nitrogen is so far the word's most environmental protection and the most  economic frozen and cooling medium. some customer told me they can't use the compressor freezer again after 2014 in Europe. so it is a trend that the liquid nitrogen instead of compressor freezer.

4.  Less investment, the operation is simple, unmanned intelligent operating system, greatly reducing the labor and reduce the operator 's skill requirements
5.  No pollution, no noise
6.  cover small area, save much space for your plant
7.  Clean conveniently, online sterilization, saving cleaning time
8.  Minimal installation costs. Low maintenance costs